Item #: 241974 This is an authentic TIFFANY & CO 18K Rose Gold Diamond Knot Key Pendant Necklace. This is an elegant key pendant that is crafted of 18 karat rose gold with diamond encrusted knot. For a one of a kind look from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.